package com.cyh.nio;

import java.nio.ByteBuffer;
import java.nio.IntBuffer;

/**
 * 测试slice方法
 * */
public class BufferDemo03 {

    public static void main(String[] args) throws Exception {
        ByteBuffer buffer = ByteBuffer.allocate(10);
        for(int i = 0; i < buffer.capacity(); i++) {
            buffer.put((byte)i);
        }

        //创建子缓冲区
        buffer.position(3);
        buffer.limit(7);
        ByteBuffer slice = buffer.slice();

        //改变子缓存区的内容
        for(int i = 0; i < slice.capacity(); i++) {
            byte b = slice.get(i);;
            b *= 10;
            slice.put(i, b);
        }

        buffer.position(0);
        buffer.limit(buffer.capacity());

        while (buffer.remaining() > 0) {
            System.out.println(buffer.get());
        }
    }
}
